Strato-back front bench seat w/ folding armrest

Years 1963–79 Models 2 Factory citations 2

Also described as Front bench seat

Documented applications

Camaro

1967–1968 Factory-verified

coupe only

GM Heritage factory kit — 1967 Chevrolet Camaro, p.55.
GM Heritage factory kit — 1968 Chevrolet Camaro, p.21.

Impala / Full-Size

1963–70s (varies) Confirmed

Special contour-Astro

This page aggregates every documented appearance of AL4 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.